Quote:
Originally Posted by prandelia
had a Z1 diff cover (which are absolute garbage BTW, they actually increase oil temps because they don't adequately lubricate things inside like an OEM one does with the rounded interior). Trust me, everybody should ditch those and just use the Nismo cover, which I did switch to, in addition to a cooler.
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Quote:
Originally Posted by redondoaveb
1)
2) I completely agree with you on the Z1 cover. I scrapped mine for my new build and had a Nismo cover installed instead.
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Many years ago, I caught a video from Gale Banks (Banks Power) on diff cover interior curvature and how that affects fluid temp, aeration, gear lubrications, etc etc…he had an experiment with clear diff covers to show the theory. Since then, it was an easy conclusion for me to skip the Z1 cover.
When I do diff upgrade, Nismo cover will be my choice.
He even did air flow testing behind the diff cover and came up with a pretty cool design to guide the moving air into the cooling fins. Wish we can have that.